/* AVM ISA v1 — Shared type definitions for C port */
#ifndef AVM_TYPES_H
#define AVM_TYPES_H

#include <stdint.h>
#include <stdbool.h>

typedef enum { TY_Q0, TY_Q16, TY_BOOL } AvmTy;

typedef struct {
    AvmTy ty;
    union { int32_t i; bool b; } val;
} AnyVal;

typedef enum {
    OP_PUSH_Q16, OP_PUSH_BOOL, OP_PUSH_Q0,
    OP_POP, OP_DUP, OP_SWAP, OP_LOAD, OP_STORE,
    OP_JUMP, OP_JUMP_IF, OP_PRIM, OP_HALT
} OpCode;

typedef enum {
    PRIM_ADD_Q0, PRIM_SUB_Q0, PRIM_ADD_Q16, PRIM_SUB_Q16,
    PRIM_MUL_Q16, PRIM_DIV_Q16, PRIM_LT_Q16, PRIM_EQ_Q16,
    PRIM_AND, PRIM_OR, PRIM_NOT
} PrimCode;

typedef struct { OpCode op; int32_t arg; bool arg2; } Instr;

typedef struct {
    int pc;
    AnyVal stack[1024];
    int sp;
    AnyVal locals[256];
    bool local_set[256];
    bool halted;
} State;

#endif